Uhlelo lokusebenza oluyinhloko

I-1.Ukuze uthole izinga eliphezulu lokuhlanza igesi ekhishwayo futhi unciphise izingxenye ze-(CO) carbon monoxide, (HC) hydrocarbons kanye (NOx) nitrogen oxides ku-exhaust gas, izimoto ze-EFI kumele zisebenzise iziguquli ze-catalytic zendlela ezintathu. Kodwa-ke, ukuze usebenzise ngokuphumelelayo isiguquli se-catalytic yezindlela ezintathu, kuyadingeka ukulawula ngokunembile isilinganiso se-air-fuel ukuze sihlale siseduze nesilinganiso se-air-fuel ratio. I-catalyst ivame ukufakwa phakathi kwe-exhaust manifold kanye ne-muffler. Inzwa ye-oxygen inesici sokuthi i-voltage yayo yokuphuma ishintsha ngokuzumayo eduze kwesilinganiso se-air-fuel ratio (14.7: 1). Lesi sici sisetshenziselwa ukuthola ukugcwala komoyampilo egesini ephumayo bese iwubuyisela kukhompuyutha ukuze ulawule isilinganiso sikaphethiloli womoya. Lapho isilinganiso sangempela sikaphethiloli womoya siba phezulu, ukugcwala komoyampilo kugesi ephumayo kuyanda futhi inzwa ye-oksijini yazisa i-ECU ngesimo esithambile sengxube (amandla amancane e-electromotive: O volts). Lapho isilinganiso se-air-fuel siphansi kune-theory ye-air-fuel ratio, ukuhlushwa komoya-mpilo ku-exhaust gas kunciphisa, futhi isimo senzwa ye-oxygen (amandla amakhulu e-electromotive: 1 volt) yaziswa kukhompyutha ye-ECU.

I-2.ECU iyahlulela ukuthi isilinganiso sephethiloli yomoya siphansi noma siphezulu ngokuya ngomehluko wamandla e-electromotive kusuka kunzwa komoyampilo, futhi ilawula ubude besikhathi sokujova uphethiloli ngokufanele. Nokho, uma isidlulisi komoyampilo sinephutha futhi amandla e-electromotive aphumayo engajwayelekile, ikhompuyutha ye-ECU ayikwazi ukulawula ngokunembile isilinganiso sikaphethiloli womoya. Ngakho-ke, inzwa ye-oxygen ingakwazi futhi ukwenza iphutha lesilinganiso se-air-fuel elibangelwa ukuguga kwemishini nezinye izingxenye zesistimu ye-EFI. Kungashiwo ukuthi iyona kuphela inzwa "ehlakaniphile" ohlelweni lwe-EFI.

3.Umsebenzi wenzwa ukunquma ukuthi ingabe kukhona i-oksijini eyeqile kugesi ephumayo yenjini ngemva kokusha, okungukuthi, okuqukethwe komoyampilo, futhi iguqule okuqukethwe komoyampilo ibe isignali kagesi bese iwudlulisela kukhompyutha yenjini, ukuthi injini ingakwazi ukulawula iluphu evaliwe enesici somoya oweqile njengomgomo; Qinisekisa ukuthi isiguquli se-catalytic sezindlela ezintathu sisebenza kahle kakhulu ekuguquleni ama-hydrocarbon (HC), i-carbon monoxide (CO) nama-nitrogen oxides (NOX) kugesi yokukhipha umoya, futhi siguqule futhi sihlanze ukungcola okukhishiwe ngokwezinga elikhulu kakhulu.

Isingeniso sokusetshenziswa

Izinzwa ze-oxygen zisetshenziswa kabanzi ku-petroleum, imboni yamakhemikhali, amalahle, i-metallurgy, ukwenza amaphepha, ukuvikelwa komlilo, ukuphathwa komasipala, imithi, imoto, ukuqapha ukukhishwa kwegesi nezinye izimboni.